The Iron duke:I'm sure they found something, but sheetmetal screws and wood screws, bailing wire and what looks like a assortment of cotter pins? Maybe he was one of those people who swallows stuff...More than likely the Crematorium just handed over a bag of bits collected over time..

[i.telegraph.co.uk image 620x387]

Bomb shrapnel is irregular bits of iron. Most of that is screws from the coffin and bits of wire put in him by the embalmer.